{"product_id":"ajax-wireless-combined-heat-and-smoke-detector-52251-136-bl1","title":"Ajax 52251.136.BL1 Wireless Combined Heat and Smoke Detector, Replaceable Batteries, Black","description":"\u003cp\u003eThe Ajax FireProtect 2 RB (Heat\/Smoke) Jeweller (52251.136.BL1) is a wireless combined heat and smoke detector with replaceable batteries. It senses smoke with a double-spectrum optical sensor and dangerous temperatures with a heat sensor, sounds its in-built siren and reports alarms to the hub over Jeweller wireless communication.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDouble-spectrum optical smoke sensor that recognises smoke by the size of particles in the air\u003c\/li\u003e\n\u003cli\u003eDoes not react to water vapour\u003c\/li\u003e\n\u003cli\u003eHeat alarm at temperatures above 64°C\u003c\/li\u003e\n\u003cli\u003eTemperature spike alarm when the temperature rises more than 10°C in 1 minute or less\u003c\/li\u003e\n\u003cli\u003eIn-built siren: 85 dB at a distance of 3 metres\u003c\/li\u003e\n\u003cli\u003eJeweller radio range of up to 1,700 m to a hub or range extender in an open space\u003c\/li\u003e\n\u003cli\u003eRuns on 2 × CR123A batteries with up to 7 years of battery life\u003c\/li\u003e\n\u003cli\u003eTamper alarm if the detector is detached from the surface or the mounting panel is removed\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv class=\"mt-6\"\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003ch4 class=\"product-description-title\"\u003eWhat batteries does the FireProtect 2 RB use?\u003c\/h4\u003e\n\u003cp\u003eIt runs on 2 × CR123A batteries, which come pre-installed, with up to 7 years of battery life.\u003c\/p\u003e\n\u003ch4 class=\"product-description-title\"\u003eWhat is the radio range to the hub?\u003c\/h4\u003e\n\u003cp\u003eUp to 1,700 m between the detector and a hub (or radio signal range extender) in an open space.\u003c\/p\u003e\n\u003ch4 class=\"product-description-title\"\u003eHow does the heat sensor decide to raise an alarm?\u003c\/h4\u003e\n\u003cp\u003eIt alarms at temperatures above 64°C, and when the temperature rises more than 10°C in 1 minute or less. The heat sensor follows the requirements for Class A1R heat detectors (EN 54-5 and BS 5446-2).\u003c\/p\u003e\n\u003ch4 class=\"product-description-title\"\u003eWill steam set off the smoke sensor?\u003c\/h4\u003e\n\u003cp\u003eThe smoke sensor does not react to water vapour.\u003c\/p\u003e\n\u003ch4 class=\"product-description-title\"\u003eCan it be fitted outdoors?\u003c\/h4\u003e\n\u003cp\u003eNo. The detector is designed only for indoor installation and is rated IP20, with an operating temperature range from 0°C to +50°C.\u003c\/p\u003e\n\u003ch4 class=\"product-description-title\"\u003eDo several detectors sound together?\u003c\/h4\u003e\n\u003cp\u003eYes. Via primary interconnection the hub initiates an interconnected alarm within 20 seconds. Fallback interconnection, where the detector alerts other detectors directly and all connected detectors activate the buzzer within a minute, works only on FireProtect 2 detectors with firmware version 5.59.2 or later, marked on the package with a “Fallback interconnect supported” label.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Ajax","offers":[{"title":"Default Title","offer_id":57633164198261,"sku":"52251.136.BL1","price":88.28,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0050\/1216\/0612\/files\/52251.136.BL1-1.png?v=1791393600","url":"https:\/\/wmestore.co.uk\/products\/ajax-wireless-combined-heat-and-smoke-detector-52251-136-bl1","provider":"WME","version":"1.0","type":"link"}